YS

Yoshihiko Sakamoto

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,841,271 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5078785 Method of operating in-bath smelting reduction furnace Tetsuharu Ibaraki, Michitaka Kanemoto, Masao Yamauchi 1992-01-07